Anthropic · Bitcoin · Bitcoin Magazine
One Year Later: How Coldcard Q’s Key Teleport Delivers Secure Remote Key Management for Bitcoin Treasuries
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Key Teleport, a feature developed by the hardware wallet manufacturer Coinkite, may be the most secure way to handle key material at a distance.
Key facts
- This Tails-OS plus PGP combo is the kind of setup that Edward Snowden used to get in contact with journalist Greenwald originally, to leak the 2014 NSA surveillance secrets
- And the $249 price target for the whole hardware wallet makes it accessible to everyday, serious bitcoiners and cypherpunks, delivering a self-custody tool worthy of a professional industrial setup
- The Coldcard Q’s Key Teleport feature opens the door to an otherwise difficult to achieve level of secure communication over the internet
- Key Teleport, a feature developed by the hardware wallet manufacturer Coinkite, may be the most secure way to handle key material at a distance
Summary
Have you ever been travelling, had to make a big payment and realised you left your hardware wallet back home? Before Key Teleport, the most paranoid, secure way to move a private key over the internet was not to send it over WhatsApp or Signal. Had you asked me how the reporter might go about sending a private key with life-changing money on it, across the wire, the reporter would have told you this: You need to boot Tails OS, a slim, highly paranoid Linux distribution, into hardware you know to be secure, ideally a burner laptop. You then need to generate a fresh set of PGP keys to encrypt the secret with the power of asymmetric cryptography.